Examples of org.springframework.batch.core.partition.PartitionHandler

Package org.springframework.batch.core.partition

Examples of org.springframework.batch.core.partition.PartitionHandler

org.springframework.batch.core.partition.PartitionHandler
Interface defining the responsibilities of controlling the execution of a partitioned {@link StepExecution}. Implementations will need to create a partition with the {@link StepExecutionSplitter}, and then use an execution fabric (grid, etc.), to execute the partitioned step. The results of the executions can be returned raw from remote workers to be aggregated by the caller. @author Dave Syer @since 2.0

  }


  @Test
  public void testVanillaStepExecution() throws Exception {
    step.setStepExecutionSplitter(new SimpleStepExecutionSplitter(jobRepository, true, step.getName(), new SimplePartitioner()));
    step.setPartitionHandler(new PartitionHandler() {
      @Override
      public Collection<StepExecution> handle(StepExecutionSplitter stepSplitter, StepExecution stepExecution)
          throws Exception {
        Set<StepExecution> executions = stepSplitter.split(stepExecution, 2);
        for (StepExecution execution : executions) {

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  }


  @Test
  public void testFailedStepExecution() throws Exception {
    step.setStepExecutionSplitter(new SimpleStepExecutionSplitter(jobRepository, true, step.getName(), new SimplePartitioner()));
    step.setPartitionHandler(new PartitionHandler() {
      @Override
      public Collection<StepExecution> handle(StepExecutionSplitter stepSplitter, StepExecution stepExecution)
          throws Exception {
        Set<StepExecution> executions = stepSplitter.split(stepExecution, 2);
        for (StepExecution execution : executions) {

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  @Test
  public void testRestartStepExecution() throws Exception {
    final AtomicBoolean started = new AtomicBoolean(false);
    step.setStepExecutionSplitter(new SimpleStepExecutionSplitter(jobRepository, true, step.getName(), new SimplePartitioner()));
    step.setPartitionHandler(new PartitionHandler() {
      @Override
      public Collection<StepExecution> handle(StepExecutionSplitter stepSplitter, StepExecution stepExecution)
          throws Exception {
        Set<StepExecution> executions = stepSplitter.split(stepExecution, 2);
        if (!started.get()) {

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  }


  @Test
  public void testStoppedStepExecution() throws Exception {
    step.setStepExecutionSplitter(new SimpleStepExecutionSplitter(jobRepository, true, step.getName(), new SimplePartitioner()));
    step.setPartitionHandler(new PartitionHandler() {
      @Override
      public Collection<StepExecution> handle(StepExecutionSplitter stepSplitter, StepExecution stepExecution)
          throws Exception {
        Set<StepExecution> executions = stepSplitter.split(stepExecution, 2);
        for (StepExecution execution : executions) {

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        super.aggregate(result, executions);
        result.getExecutionContext().put("aggregated", true);
      }
    });
    step.setStepExecutionSplitter(new SimpleStepExecutionSplitter(jobRepository, true, step.getName(), new SimplePartitioner()));
    step.setPartitionHandler(new PartitionHandler() {
      @Override
      public Collection<StepExecution> handle(StepExecutionSplitter stepSplitter, StepExecution stepExecution)
          throws Exception {
        return Arrays.asList(stepExecution);
      }

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Related Classes of org.springframework.batch.core.partition.PartitionHandler

org.springframework.batch.core.partition.support.PartitionStepTests

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